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Tribological and corrosion behaviors of titanium carbonitride coatings in simulated biological fluid

Abstract:

This article contributes to the study of the behavior of the hard coating titanium carbonitride (TiCN) obtained by the technique physical vapor deposition (PVD), using as substrate Bio-medical grade stainless steel 316LVM. The evaluation was conducted using a tribometer, subsequently the electrochemical properties were evaluated by techniques of electrochemical impedance spectroscopy and polarization curves, Finally, a test is made tribocorrosion, by combining these two trials and in a simulated biological fluid. Techniques of scanning electron microscopy and XRD were used to characterize the coatings. TiCN coatings, showed improved performance against corrosion phenomena and abrasive wear than steel 316LVM.